Your LEED certification toolkit and expert forum

LEEDuser helps you successfully complete your LEED project certification with tips, checklists, sample documentation, forums, and more.

Looking for help on a specific LEED credit? Browse for it here, or review all of the credits and prerequisites in these LEED rating systems:

  • LEED-NC: New Construction v2.2,
  • LEED-NC: New Construction v2009,
  • LEED-CS: Core and Shell v2009,
  • LEED-CI: Commercial Interiors v2009,
  • LEED-Schools v2009,
  • LEED-EBOM: Existing Buildings Operation and Maintenance v2009.
  • See all LEED version 4 (LEED v4) rating systems.
  • See all versions of all LEED rating systems.
  • Discussion Forum

    There are discussions happening on pages across this site, right in the thick of our content. If you don't find your topic, you can start your own discussion.

    Title Comments Most Recent Post Location
    RE: Distributors location for MR c5
    in NC 2009 MRc5: Regional Materials
    276 L S
    Vancouver, BC Canada
    Fri, Jan 30, 2015
    RE: When can construction review start for a NC project
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    639 Charles Nepps
    Fri, Jan 30, 2015
    RE: Lighting control in bedrooms
    in NC 2009 IEQc6.1: Controllability of Systems—Lighting
    309 Jyothsna Giridhar
    Fri, Jan 30, 2015
    RE: Footprint, at grade or below grade?
    in PIf2: Project Summary Details
    183 Kimberly Frith
    Sustainability Consultant
    Alto Sustainability, LLC
    Fri, Jan 30, 2015
    RE: M&V Plan
    in CS 2009 EAc5.2: Measurement and Verification—Tenant Submetering
    83 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Jan 30, 2015
    RE: DES Option 2 – CHP with absorption chiller
    in NC 2009 EAc1: Optimize Energy Performance
    1,134 Marcus Sheffer
    LEED Fellow
    7group
    Fri, Jan 30, 2015
    Electric Charging Stations for LEED CI ID Credit
    in CI 2009 IDc1: Innovation in Design
    142 Matthew Catterall
    Cotera+Reed Architects
    Fri, Jan 30, 2015
    RE: Crushed concrete
    in NC 2009 MRc4: Recycled Content
    515 Michelle Reott
    LEED AP BD+C, ID+C, O+M, Managing Principal
    Earthly Ideas LLC
    Fri, Jan 30, 2015
    RE: Greywater and wastewater reuse
    in NC 2009 WEp1: Water Use Reduction—20% Reduction
    617 Charles Nepps
    Fri, Jan 30, 2015
    RE: Modeling Water-source Variable Refrigerant Volume Systems
    in NC 2009 EAp2: Minimum Energy Performance
    2,611 Anthony Hardman
    Building Performance Analyst
    The Green Engineer
    Fri, Jan 30, 2015
    No mercury Lights
    in EBOM 2009 MRc4: Sustainable Purchasing—Reduced Mercury in Lamps
    144 Susan Coy
    Fri, Jan 30, 2015
    United States
    Is this project a CS project?
    in LEED Rating System Selection Q&A
    634 Juliane Muench
    Fri, Jan 30, 2015
    Metal Flooring
    in CS 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    74 MM K
    Fri, Jan 30, 2015
    Supplemental Guidance to the MPR for LEED v4
    in NC-v4: Must be in a permanent location on existing land
    9 SoYoung Lee
    LEED AP BD+C
    Director, HnC
    Fri, Jan 30, 2015
    RE: MR Project boundary in multi story building
    in MPR2: Must be a complete, permanent building or space
    6 Charles Nepps
    Fri, Jan 30, 2015
    Title Comments Most Recent Post Location
    Water Efficiency Calculation
    in NC 2009 WEc3: Water Use Reduction
    113 SENGATHIR SELVAN KARUNANITHI
    INNOWELL ENGINEERING INTERNATIONAL PVT LTD
    Tue, Dec 30, 2014
    Bangladesh
    RE: Plaza at grade building above.
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    245 Paul Rogers
    Architect
    BAU Architects
    Tue, Dec 30, 2014
    Sweden
    RE: FSC Controlled Wood
    in CI 2009 MRc7: Certified Wood
    99 Megan Bove
    Tue, Dec 30, 2014
    RE: Short-term bicycle
    in NC-v4: Bicycle facilities
    7 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Mon, Dec 29, 2014
    RE: Off-Site Option for Greenfield?
    in CS 2009 SSc5.1: Site Development—Protect or Restore Habitat
    103 Kristina Bach
    Sustainability Specialist
    Wed, Dec 24, 2014
    RE: Fire during construction
    in CS 2009 SSp1: Construction Activity Pollution Prevention
    60 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Dec 23, 2014
    HVAC zone
    in EBOM 2009 IEQc2.3: Occupant Comfort—Thermal Comfort Monitoring
    28 Gabriel Frasson
    Project Manager
    OTEC
    Mon, Dec 22, 2014
    Brazil
    RE: Systems manual
    in CS-2009 EAc3: Enhanced Commissioning
    36 Michael E. Edmonds-Bauer
    Edmonds International
    Mon, Dec 22, 2014
    Mexico
    RE: Can't create an ID point for this credit
    in CS 2009 SSc7.1: Heat Island Effect—Nonroof
    54 Alfonzo Collins
    Fri, Dec 19, 2014
    Water Efficiency Calculation
    in NC 2009 WEc2: Innovative Wastewater Technologies
    116 SENGATHIR SELVAN KARUNANITHI
    INNOWELL ENGINEERING INTERNATIONAL PVT LTD
    Fri, Dec 19, 2014
    Bangladesh
    RE: Lighting boundary SSc6 in new
    in NC-v4: Light pollution reduction
    14 Bill Swanson
    PE, LEED AP
    Integrated Architecture
    Fri, Dec 19, 2014
    Acoustic performance
    in Data Centers-NC-v4: Acoustic performance
    1 neeraj arora
    Fri, Dec 19, 2014
    India
    Existing Building Flooring Reuse
    in NC 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    325 Charalampos Giannikopoulos
    Founder
    DCarbon
    Thu, Dec 18, 2014
    Greece
    RE: Auditorium; lower illuminance level
    in NC-v4: Daylight
    24 Todd Reed
    Daylight Designer
    7group
    Thu, Dec 18, 2014
    RE: Smoking Area in the Basement
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    279 Heather Holdridge
    Sustainability Coordinator
    Lake/Flato Architects
    Wed, Dec 17, 2014
    RE: Classification of handsinks
    in CS 2009 WEc1: Water Efficient Landscaping
    61 Heather Holdridge
    Sustainability Coordinator
    Lake/Flato Architects
    Wed, Dec 17, 2014
    RE: Number of Regular Building Occupants for a 2 shift facility
    in EBOM 2009 SSc4: Alternative Commuting Transportation
    273 Heather Holdridge
    Sustainability Coordinator
    Lake/Flato Architects
    Wed, Dec 17, 2014
    Regional Materials - Steel
    in Healthcare-v2009: Sustainably sourced materials and products
    63 Catherine Blakemore
    Architect, LEED AP BC+D
    HOLT Architects
    Wed, Dec 17, 2014
    Renewable Energy
    in CI-v4: Renewable energy production
    1 Ulrika Nobelius
    White Arkitekter AB
    Wed, Dec 17, 2014
    Sweden
    water use per instrument tray requirements table
    in Healthcare-v4: Indoor water use reduction
    1 Michael Burton
    SR Manager, Project Planning Design
    STERIS
    Wed, Dec 17, 2014
    Title Comments Most Recent Post Location
    Cuba - by LEEDUser Team
    Thu, Sep 18, 2014
    Dominica - by LEEDUser Team
    Thu, Sep 18, 2014
    Dominican Republic - by LEEDUser Team
    Thu, Sep 18, 2014
    El Salvador - by LEEDUser Team
    Thu, Sep 18, 2014
    Grenada - by LEEDUser Team
    Thu, Sep 18, 2014
    Guatemala - by LEEDUser Team
    Thu, Sep 18, 2014
    Haiti - by LEEDUser Team
    Thu, Sep 18, 2014
    Honduras - by LEEDUser Team
    Thu, Sep 18, 2014
    Jamaica - by LEEDUser Team
    Thu, Sep 18, 2014
    Mexico - by LEEDUser Team
    Thu, Sep 18, 2014
    Hungary - by LEEDUser Team
    Thu, Sep 18, 2014
    Moldova - by LEEDUser Team
    Thu, Sep 18, 2014
    Poland - by LEEDUser Team
    Thu, Sep 18, 2014
    Romania - by LEEDUser Team
    Thu, Sep 18, 2014
    Slovakia - by LEEDUser Team
    Thu, Sep 18, 2014
    Ukraine - by LEEDUser Team
    Thu, Sep 18, 2014
    Antigua and Barbuda - by LEEDUser Team
    Thu, Sep 18, 2014
    Bahamas - by LEEDUser Team
    Thu, Sep 18, 2014
    Kazakhstan - by LEEDUser Team
    Thu, Sep 18, 2014
    Kyrgyzstan - by LEEDUser Team
    Thu, Sep 18, 2014
    Title Comments Most Recent Post Location
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Fri, Nov 21, 2014
    Rooftop smoking areas?
    in CS 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    48 Sara Neff
    Director, Sustainability Programs
    Kilroy Realty Corporation
    Thu, Nov 20, 2014
    United States
    Minimum exhaust Rates
    in CS-2009 IEQp1: Minimum IAQ Performance
    135 Elodie DUMAS
    ALTO Ingénierie
    Thu, Nov 20, 2014
    France
    RE: International Project Epa CGP
    in NC 2009 SSp1: Construction Activity Pollution Prevention
    245 esra özkonuksever
    architect
    İltay Mimarlık
    Thu, Nov 20, 2014
    Turkey
    NC-v4 LTc2: Sensitive land protection/Wetland Protection
    in NC-v4: Sensitive land protection
    3 Robyn Dowsey
    Owner
    Eco-Build Strategies LLC
    Thu, Nov 20, 2014
    United States
    RE: EA Credit 4: Enhanced Refrigerant Management
    in NC 2009 EAc4: Enhanced Refrigerant Management
    108 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Nov 20, 2014
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Thu, Nov 20, 2014
    RE: Plaza at grade building above.
    in NC 2009 SSc7.1: Heat Island Effect—Nonroof
    245 Paul Rogers
    Architect
    BAU Architects
    Thu, Nov 20, 2014
    Sweden
    Not what I would have expected
    in Why I’m About to Fail the New, Harder LEED v4 AP Test
    3 Amy Boyce
    Wed, Nov 19, 2014
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Wed, Nov 19, 2014
    Not what I would have expected
    in Why I’m About to Fail the New, Harder LEED v4 AP Test
    3 Amy Boyce
    Wed, Nov 19, 2014
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Wed, Nov 19, 2014
    Off site signage for Low-Emitting- Hybrid parking spaces
    in Schools 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    45 Vada Kornegay
    Wed, Nov 19, 2014
    United States
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Wed, Nov 19, 2014
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Wed, Nov 19, 2014
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Wed, Nov 19, 2014
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Wed, Nov 19, 2014
    RE: Exemplary Performance ID point for 40% reduction.
    in Schools 2009 WEc4: Process Water Use Reduction
    60 Daniel Hersh
    Architect
    Breslin Ridyard Fadero Architects
    Wed, Nov 19, 2014
    United States
    Stability and predictablility is needed...
    in USGBC: Restore Confidence in v4 in Four Simple Steps
    19 Robert Andrews
    Partner - Sustainability Department Manager
    AHA Consulting Engineers, Inc.
    Wed, Nov 19, 2014
    RE: MR cr2 : Option2
    in NC-v4: Building product disclosure and optimization - environmental product declarations
    13 Remigio Antonio Rancan
    civil and structural engineer LEED AP BD+C GBC HOME AP
    Tue, Nov 18, 2014
    Italy
    Title Comments Post date Most Recent Postsort icon Location
    Process load significantly lower than 25%
    in NC 2009 EAp2: Minimum Energy Performance
    2,611 Panupant Phapant
    SCG Cement - Building Materials Co.,Ltd.
    Thu, Dec 18, 2014
    2014-12-18 02:20 Thailand
    Filter Replacement
    in CS 2009 IEQc3: Construction IAQ Management Plan—During Construction
    29 Andrew Ellsworth
    Ellsworth Building Portfolio Services
    Wed, Dec 17, 2014
    2014-12-17 22:13 United States
    ASHRAE 90.1 Chilled Beams Compliance
    in Start a New LEED Discussion Topic
    160 Federico Taboada
    Architect
    ECOSTUDIOXV
    Wed, Dec 17, 2014
    2014-12-17 18:58 United States
    Renewable Energy
    in CI-v4: Renewable energy production
    1 Ulrika Nobelius
    White Arkitekter AB
    Wed, Dec 17, 2014
    2014-12-17 14:05 Sweden
    How to prove compliance with Mechanical Ventilation
    in NC 2009 EAp2: Minimum Energy Performance
    2,611 Praveen Raj
    Energy Analyst
    Wed, Dec 17, 2014
    2014-12-17 04:53 India
    Submeters to measure AND RECORD energy use
    in CI 2009 EAc3: Measurement and Verification
    133 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Wed, Dec 17, 2014
    2014-12-17 04:44 Sweden
    Lighting boundary SSc6 in new
    in NC-v4: Light pollution reduction
    14 Ilse Dijkstra-Nugteren
    Wed, Dec 17, 2014
    2014-12-17 04:18 Netherlands
    Heat gain originating from hooded equipment in energy modeling
    in NC 2009 EAp2: Minimum Energy Performance
    2,611 Panupant Phapant
    SCG Cement - Building Materials Co.,Ltd.
    Wed, Dec 17, 2014
    2014-12-17 02:16 Thailand
    VAV Fan control for baseline system 6
    in NC 2009 EAp2: Minimum Energy Performance
    2,611 Panupant Phapant
    SCG Cement - Building Materials Co.,Ltd.
    Tue, Dec 16, 2014
    2014-12-16 23:37 Thailand
    Is there any Credit Language for this
    in Schools-2009: Social equity within the project team
    2 Vada Kornegay
    Tue, Dec 16, 2014
    2014-12-16 16:49 United States
    ETS During Construction
    in NC-v4: Environmental tobacco smoke control
    1 Laurie Winter
    Tue, Dec 16, 2014
    2014-12-16 16:17 Canada
    Insulation - option 2 budget calculation method
    in NC-v4: Low emitting materials
    79 CAROLINE PIN
    In charge of environmental certification on a jobsite
    EIFFAGE CONSTRUCTION
    Tue, Dec 16, 2014
    2014-12-16 12:20 France
    UV Lacquer
    in NC 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    474 Susan Coy
    Tue, Dec 16, 2014
    2014-12-16 11:26 United States
    When to submit a pilot credit?
    in Using the LEED Pilot Credit Library
    30 Alfred Servodidio
    Project Manager
    JMV Consulting Engineering
    Tue, Dec 16, 2014
    2014-12-16 10:06 United States
    Runoff/Gully Water
    in NC 2009 WEc1: Water Efficient Landscaping
    381 Tamary Alvarez
    Sustainability & Commissioning Specialist
    Commissioning Agents Inc.
    Tue, Dec 16, 2014
    2014-12-16 08:47 United States
    Supplementary mechanical ventilation in naturally ventilated
    in CI-2009 IEQp1: Minimum IAQ Performance
    143 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Mon, Dec 15, 2014
    2014-12-15 22:05 Sweden
    selecting the correct rating system in v.2009
    in What LEED rating system to use?
    9 K KRAFT
    Mon, Dec 15, 2014
    2014-12-15 17:32 United States
    "Single Site" requirement for a Master Site?
    in New LEED Guidance for Campuses and Multiple Buildings
    504 Richard Barlow
    Dir. of Sustainability
    MHAworks
    Mon, Dec 15, 2014
    2014-12-15 11:16 United States
    Custom furniture for LEED project
    in CI 2009 IEQc4.5: Low-Emitting Materials—Systems Furniture and Seating
    143 Roxanne Button AIA, MRAIC, LEED AP
    Architect & Sustainable Design Consultant
    Design Synergies Architecture P.C.
    Mon, Dec 15, 2014
    2014-12-15 08:30 United States
    Prefinished wood flooring: alternative to emissions testing?
    in NC 2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
    325 Susan Clark
    Technical Specialist
    NCC Teknik
    Mon, Dec 15, 2014
    2014-12-15 03:57 Sweden

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